Finding the Fourth Proportional to 11,633.29, 17,443.33 and 7,939.99

Step by Step Solution

1. Step 1: Write the proportion equation
   11,633.29 : 17,443.33 = 7,939.99 : x
2. Step 2: Convert to fraction form
   11,633.29/17,443.33 = 7,939.99/x
3. Step 3: Cross multiply
   11,633.29x = 17,443.33 × 7,939.99
4. Step 4: Simplify right side
   11,633.29x = 138,499,865.77
5. Step 5: Solve for x
   x = 138,499,865.77/11,633.29
6. Step 6: Final answer
   x = 11,905.48